Title
The genus Trigonospermum Less. (Compositae, Heliantheae)
By
McVaugh, Rogers
Laskowski, Chester Walter, 1941-
Original Publication
Contributions from the University of Michigan Herbarium
Published by
Ann Arbor, University Herbarium, University of Michigan, 1939-
Identifiers
BioStor:
https://biostor.org/reference/177601